oj.uz

Submission #989619

# Submission time Handle Problem Language Result Execution time Memory
989619 2024-05-28T12:24:28 Z bachhoangxuan Split the Attractions (IOI19_split) C++17
100 / 100
 83 ms 28728 KB 
#include "split.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
#define pii pair<int,int>
#define fi first
#define se second
vector<int> edge[maxn],tree[maxn];
int low[maxn],num[maxn],sz[maxn],T;
bool del[maxn],vis[maxn];

void pre_dfs(int u,int p){
    sz[u]=1;
    low[u]=num[u]=++T;
    for(int v:edge[u]){
        if(v==p) continue;
        if(!num[v]){
            pre_dfs(v,u);
            sz[u]+=sz[v];
            tree[u].push_back(v);
            low[u]=min(low[u],low[v]);
            //cout << "tree " << u << ' ' << v << '\n';
        }
        else low[u]=min(low[u],num[v]);
    }
}

vector<int> find_split(int n, int A, int B, int C, vector<int> U, vector<int> V) {
    int m=(int)U.size();
    vector<pii> S={{A,1},{B,2},{C,3}};
    sort(S.begin(),S.end());
    for(int i=0;i<m;i++){
        edge[U[i]].push_back(V[i]);
        edge[V[i]].push_back(U[i]);
    }
    pre_dfs(0,0);

    int x=0;
    bool check=true;
    while(check){
        check=false;
        for(int v:tree[x]) if(sz[v]>=S[0].fi){
            x=v,check=true;
            break;
        }
    }
    vector<int> c(n,S[2].se);
    function<void(int)> color = [&](int u){
        vis[u]=true;
        if(S[1].fi) c[u]=S[1].se,S[1].fi--;
        for(int v:tree[u]) color(v);
    };
    function<void(int)> color2 = [&](int u){
        vis[u]=true;
        if(S[0].fi) c[u]=S[0].se,S[0].fi--;
        for(int v:edge[u]) if(!vis[v]) color2(v);
    };
    int ss=sz[x];
    for(int v:tree[x]){
        if(low[v]<num[x] && ss-sz[v]>=S[0].fi){
            del[v]=true;
            ss-=sz[v];
        }
    }
    if(n-ss>=S[1].fi) swap(S[0],S[1]);
    if(n-ss>=S[0].fi){
        S[1].fi--;
        c[x]=S[1].se;
        vis[x]=true;
        for(int v:tree[x]) if(!del[v]) color(v);
        for(int i=0;i<n;i++) if(!vis[i]){
            color2(i);
            break;
        }
    }
    else return vector<int>(n,0);
    return c;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 5 ms 9820 KB ok, correct split
4 Correct 4 ms 9820 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 5 ms 9820 KB ok, correct split
7 Correct 65 ms 28172 KB ok, correct split
8 Correct 57 ms 25428 KB ok, correct split
9 Correct 56 ms 24668 KB ok, correct split
10 Correct 65 ms 28728 KB ok, correct split
11 Correct 76 ms 28496 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9816 KB ok, correct split
2 Correct 4 ms 9816 KB ok, correct split
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 69 ms 23632 KB ok, correct split
5 Correct 47 ms 17756 KB ok, correct split
6 Correct 70 ms 28496 KB ok, correct split
7 Correct 65 ms 25212 KB ok, correct split
8 Correct 71 ms 20376 KB ok, correct split
9 Correct 50 ms 19280 KB ok, correct split
10 Correct 31 ms 16976 KB ok, correct split
11 Correct 32 ms 17020 KB ok, correct split
12 Correct 32 ms 16984 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB ok, correct split
2 Correct 45 ms 17776 KB ok, correct split
3 Correct 20 ms 12908 KB ok, correct split
4 Correct 4 ms 9816 KB ok, correct split
5 Correct 61 ms 22316 KB ok, correct split
6 Correct 54 ms 22052 KB ok, correct split
7 Correct 50 ms 21844 KB ok, correct split
8 Correct 52 ms 23376 KB ok, correct split
9 Correct 51 ms 21576 KB ok, correct split
10 Correct 16 ms 12636 KB ok, no valid answer
11 Correct 22 ms 13916 KB ok, no valid answer
12 Correct 37 ms 17620 KB ok, no valid answer
13 Correct 46 ms 18048 KB ok, no valid answer
14 Correct 30 ms 17172 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9820 KB ok, correct split
2 Correct 4 ms 9820 KB ok, no valid answer
3 Correct 4 ms 9820 KB ok, correct split
4 Correct 4 ms 9816 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 4 ms 9820 KB ok, correct split
7 Correct 4 ms 9816 KB ok, correct split
8 Correct 4 ms 9820 KB ok, correct split
9 Correct 7 ms 10076 KB ok, correct split
10 Correct 6 ms 10076 KB ok, correct split
11 Correct 4 ms 9640 KB ok, correct split
12 Correct 5 ms 10328 KB ok, correct split
13 Correct 7 ms 9816 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 4 ms 9820 KB ok, correct split
16 Correct 4 ms 9820 KB ok, correct split
17 Correct 6 ms 9748 KB ok, correct split
18 Correct 4 ms 9820 KB ok, correct split
19 Correct 4 ms 9820 KB ok, correct split
20 Correct 4 ms 9820 KB ok, correct split
21 Correct 5 ms 9940 KB ok, correct split
22 Correct 5 ms 10072 KB ok, correct split
23 Correct 4 ms 10076 KB ok, correct split
24 Correct 5 ms 10072 KB ok, correct split
25 Correct 5 ms 10076 KB ok, correct split
26 Correct 6 ms 10076 KB ok, correct split
27 Correct 5 ms 10072 KB ok, correct split
28 Correct 5 ms 9868 KB ok, correct split
29 Correct 4 ms 9820 KB ok, correct split
30 Correct 5 ms 10076 KB ok, correct split
31 Correct 4 ms 9728 KB ok, correct split
32 Correct 5 ms 9772 KB ok, correct split
33 Correct 4 ms 9820 KB ok, correct split
34 Correct 5 ms 9824 KB ok, correct split
35 Correct 5 ms 10076 KB ok, correct split
36 Correct 4 ms 9820 KB ok, correct split
37 Correct 5 ms 10076 KB ok, correct split
38 Correct 5 ms 10076 KB ok, correct split
39 Correct 5 ms 10080 KB ok, correct split
40 Correct 5 ms 10076 KB ok, correct split
41 Correct 4 ms 9820 KB ok, correct split
42 Correct 6 ms 9820 KB ok, correct split
43 Correct 5 ms 10076 KB ok, correct split
44 Correct 5 ms 10076 KB ok, correct split
45 Correct 5 ms 10076 KB ok, correct split
46 Correct 5 ms 10076 KB ok, correct split
47 Correct 5 ms 10076 KB ok, no valid answer
48 Correct 5 ms 10076 KB ok, correct split
49 Correct 5 ms 10076 KB ok, correct split
50 Correct 4 ms 9820 KB ok, no valid answer
51 Correct 4 ms 9820 KB ok, no valid answer
52 Correct 5 ms 10072 KB ok, no valid answer
53 Correct 5 ms 10076 KB ok, no valid answer
54 Correct 5 ms 10076 KB ok, no valid answer
55 Correct 5 ms 10076 KB ok, no valid answer
56 Correct 5 ms 10076 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9816 KB ok, correct split
2 Correct 4 ms 9820 KB ok, correct split
3 Correct 5 ms 9820 KB ok, correct split
4 Correct 4 ms 9820 KB ok, correct split
5 Correct 4 ms 9820 KB ok, correct split
6 Correct 5 ms 9820 KB ok, correct split
7 Correct 65 ms 28172 KB ok, correct split
8 Correct 57 ms 25428 KB ok, correct split
9 Correct 56 ms 24668 KB ok, correct split
10 Correct 65 ms 28728 KB ok, correct split
11 Correct 76 ms 28496 KB ok, correct split
12 Correct 5 ms 9816 KB ok, correct split
13 Correct 4 ms 9816 KB ok, correct split
14 Correct 4 ms 9820 KB ok, correct split
15 Correct 69 ms 23632 KB ok, correct split
16 Correct 47 ms 17756 KB ok, correct split
17 Correct 70 ms 28496 KB ok, correct split
18 Correct 65 ms 25212 KB ok, correct split
19 Correct 71 ms 20376 KB ok, correct split
20 Correct 50 ms 19280 KB ok, correct split
21 Correct 31 ms 16976 KB ok, correct split
22 Correct 32 ms 17020 KB ok, correct split
23 Correct 32 ms 16984 KB ok, correct split
24 Correct 4 ms 9820 KB ok, correct split
25 Correct 45 ms 17776 KB ok, correct split
26 Correct 20 ms 12908 KB ok, correct split
27 Correct 4 ms 9816 KB ok, correct split
28 Correct 61 ms 22316 KB ok, correct split
29 Correct 54 ms 22052 KB ok, correct split
30 Correct 50 ms 21844 KB ok, correct split
31 Correct 52 ms 23376 KB ok, correct split
32 Correct 51 ms 21576 KB ok, correct split
33 Correct 16 ms 12636 KB ok, no valid answer
34 Correct 22 ms 13916 KB ok, no valid answer
35 Correct 37 ms 17620 KB ok, no valid answer
36 Correct 46 ms 18048 KB ok, no valid answer
37 Correct 30 ms 17172 KB ok, no valid answer
38 Correct 4 ms 9820 KB ok, correct split
39 Correct 4 ms 9820 KB ok, no valid answer
40 Correct 4 ms 9820 KB ok, correct split
41 Correct 4 ms 9816 KB ok, correct split
42 Correct 4 ms 9820 KB ok, correct split
43 Correct 4 ms 9820 KB ok, correct split
44 Correct 4 ms 9816 KB ok, correct split
45 Correct 4 ms 9820 KB ok, correct split
46 Correct 7 ms 10076 KB ok, correct split
47 Correct 6 ms 10076 KB ok, correct split
48 Correct 4 ms 9640 KB ok, correct split
49 Correct 5 ms 10328 KB ok, correct split
50 Correct 7 ms 9816 KB ok, correct split
51 Correct 4 ms 9820 KB ok, correct split
52 Correct 4 ms 9820 KB ok, correct split
53 Correct 4 ms 9820 KB ok, correct split
54 Correct 6 ms 9748 KB ok, correct split
55 Correct 4 ms 9820 KB ok, correct split
56 Correct 4 ms 9820 KB ok, correct split
57 Correct 4 ms 9820 KB ok, correct split
58 Correct 5 ms 9940 KB ok, correct split
59 Correct 5 ms 10072 KB ok, correct split
60 Correct 4 ms 10076 KB ok, correct split
61 Correct 5 ms 10072 KB ok, correct split
62 Correct 5 ms 10076 KB ok, correct split
63 Correct 6 ms 10076 KB ok, correct split
64 Correct 5 ms 10072 KB ok, correct split
65 Correct 5 ms 9868 KB ok, correct split
66 Correct 4 ms 9820 KB ok, correct split
67 Correct 5 ms 10076 KB ok, correct split
68 Correct 4 ms 9728 KB ok, correct split
69 Correct 5 ms 9772 KB ok, correct split
70 Correct 4 ms 9820 KB ok, correct split
71 Correct 5 ms 9824 KB ok, correct split
72 Correct 5 ms 10076 KB ok, correct split
73 Correct 4 ms 9820 KB ok, correct split
74 Correct 5 ms 10076 KB ok, correct split
75 Correct 5 ms 10076 KB ok, correct split
76 Correct 5 ms 10080 KB ok, correct split
77 Correct 5 ms 10076 KB ok, correct split
78 Correct 4 ms 9820 KB ok, correct split
79 Correct 6 ms 9820 KB ok, correct split
80 Correct 5 ms 10076 KB ok, correct split
81 Correct 5 ms 10076 KB ok, correct split
82 Correct 5 ms 10076 KB ok, correct split
83 Correct 5 ms 10076 KB ok, correct split
84 Correct 5 ms 10076 KB ok, no valid answer
85 Correct 5 ms 10076 KB ok, correct split
86 Correct 5 ms 10076 KB ok, correct split
87 Correct 4 ms 9820 KB ok, no valid answer
88 Correct 4 ms 9820 KB ok, no valid answer
89 Correct 5 ms 10072 KB ok, no valid answer
90 Correct 5 ms 10076 KB ok, no valid answer
91 Correct 5 ms 10076 KB ok, no valid answer
92 Correct 5 ms 10076 KB ok, no valid answer
93 Correct 5 ms 10076 KB ok, no valid answer
94 Correct 58 ms 22616 KB ok, correct split
95 Correct 83 ms 28528 KB ok, correct split
96 Correct 70 ms 26624 KB ok, correct split
97 Correct 26 ms 13352 KB ok, correct split
98 Correct 22 ms 13660 KB ok, correct split
99 Correct 30 ms 16476 KB ok, correct split
100 Correct 79 ms 23356 KB ok, correct split
101 Correct 69 ms 22100 KB ok, correct split
102 Correct 62 ms 21448 KB ok, correct split
103 Correct 55 ms 21192 KB ok, correct split
104 Correct 51 ms 21436 KB ok, correct split
105 Correct 31 ms 15696 KB ok, correct split
106 Correct 61 ms 21184 KB ok, correct split
107 Correct 44 ms 19028 KB ok, correct split
108 Correct 46 ms 19032 KB ok, correct split
109 Correct 68 ms 22848 KB ok, correct split
110 Correct 68 ms 23496 KB ok, correct split
111 Correct 70 ms 23752 KB ok, correct split
112 Correct 63 ms 22320 KB ok, correct split
113 Correct 63 ms 22216 KB ok, correct split
114 Correct 10 ms 11352 KB ok, correct split
115 Correct 15 ms 11100 KB ok, correct split
116 Correct 74 ms 23636 KB ok, correct split
117 Correct 70 ms 23496 KB ok, correct split
118 Correct 51 ms 20560 KB ok, correct split
119 Correct 49 ms 20564 KB ok, correct split
120 Correct 54 ms 25424 KB ok, correct split
121 Correct 42 ms 19280 KB ok, no valid answer
122 Correct 40 ms 19280 KB ok, no valid answer
123 Correct 67 ms 23892 KB ok, no valid answer
124 Correct 77 ms 23632 KB ok, no valid answer
125 Correct 41 ms 20164 KB ok, no valid answer
126 Correct 28 ms 17484 KB ok, no valid answer
127 Correct 49 ms 20936 KB ok, no valid answer